XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 1 | // Copyright 2019 Google LLC |
| 2 | // |
| 3 | // This source code is licensed under the BSD-style license found in the |
| 4 | // LICENSE file in the root directory of this source tree. |
| 5 | |
| 6 | #include <assert.h> |
| 7 | |
| 8 | #include <xmmintrin.h> |
| 9 | |
| 10 | #include <xnnpack/dwconv.h> |
| 11 | #include <xnnpack/math.h> |
| 12 | |
| 13 | |
Marat Dukhan | 1f29b80 | 2020-05-15 23:46:39 -0700 | [diff] [blame^] | 14 | void xnn_f32_dwconv_chw_ukernel_3x3p1__sse( |
Erich Elsen | eda9c11 | 2020-05-11 04:40:25 -0700 | [diff] [blame] | 15 | size_t input_height, |
| 16 | size_t input_width, |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 17 | const float* input, |
| 18 | const float* weights, |
Erich Elsen | 4e5db3d | 2020-05-07 08:57:47 -0700 | [diff] [blame] | 19 | const float* zero, |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 20 | float* output, |
Erich Elsen | 4e5db3d | 2020-05-07 08:57:47 -0700 | [diff] [blame] | 21 | uint32_t padding_top, |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 22 | size_t input_tuple_stride, |
| 23 | size_t output_tuple_stride, |
| 24 | size_t input_width_stride, |
| 25 | size_t output_width_stride, |
Marat Dukhan | 1f29b80 | 2020-05-15 23:46:39 -0700 | [diff] [blame^] | 26 | const union xnn_f32_chw_params params[restrict XNN_MIN_ELEMENTS(1)]) |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 27 | { |
Erich Elsen | eda9c11 | 2020-05-11 04:40:25 -0700 | [diff] [blame] | 28 | assert(input_width != 0); |
| 29 | assert(input_height != 0); |
Erich Elsen | 4e5db3d | 2020-05-07 08:57:47 -0700 | [diff] [blame] | 30 | assert(padding_top == 1); |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 31 | |
Erich Elsen | eda9c11 | 2020-05-11 04:40:25 -0700 | [diff] [blame] | 32 | const size_t padded_input_height = input_height + padding_top + 1 /* padding_bottom */; |
| 33 | const size_t output_height = padded_input_height - 3 + 1; |
| 34 | |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 35 | const __m128 vmask = _mm_load_ps((const float*) params->sse.mask); |
| 36 | const __m128 vmax = _mm_load_ps(params->sse.max); |
| 37 | const __m128 vmin = _mm_load_ps(params->sse.min); |
| 38 | |
Erich Elsen | eda9c11 | 2020-05-11 04:40:25 -0700 | [diff] [blame] | 39 | const size_t input_width_decrement = round_up_po2(input_width, 4) / 4 * input_tuple_stride; |
Erich Elsen | 4e5db3d | 2020-05-07 08:57:47 -0700 | [diff] [blame] | 40 | const size_t input_width_increment = input_width_stride - input_width_decrement; |
Erich Elsen | eda9c11 | 2020-05-11 04:40:25 -0700 | [diff] [blame] | 41 | const size_t output_width_increment = output_width_stride - (input_width - 1) / 4 * output_tuple_stride; |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 42 | |
Erich Elsen | 4e5db3d | 2020-05-07 08:57:47 -0700 | [diff] [blame] | 43 | const float* i0 = zero; |
| 44 | const float* i1 = input; |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 45 | const float* i2 = (const float*) ((uintptr_t) i1 + input_width_stride); |
| 46 | |
Erich Elsen | eda9c11 | 2020-05-11 04:40:25 -0700 | [diff] [blame] | 47 | if (input_height == 1) { |
Erich Elsen | 4e5db3d | 2020-05-07 08:57:47 -0700 | [diff] [blame] | 48 | i2 = zero; |
| 49 | } |
| 50 | |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 51 | const __m128 vbias = _mm_load1_ps(weights); |
| 52 | const __m128 vk00 = _mm_load1_ps(weights + 1); |
| 53 | const __m128 vk01 = _mm_load1_ps(weights + 2); |
| 54 | const __m128 vk02 = _mm_load1_ps(weights + 3); |
| 55 | const __m128 vk10 = _mm_load1_ps(weights + 4); |
| 56 | const __m128 vk11 = _mm_load1_ps(weights + 5); |
| 57 | const __m128 vk12 = _mm_load1_ps(weights + 6); |
| 58 | const __m128 vk20 = _mm_load1_ps(weights + 7); |
| 59 | const __m128 vk21 = _mm_load1_ps(weights + 8); |
| 60 | const __m128 vk22 = _mm_load1_ps(weights + 9); |
| 61 | |
Erich Elsen | eda9c11 | 2020-05-11 04:40:25 -0700 | [diff] [blame] | 62 | size_t m = output_height; |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 63 | do { |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame] | 64 | // vi0x3012 = ( vi02, vi01, vi00, vi03 ) |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 65 | __m128 vi0x3012 = _mm_setzero_ps(); |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame] | 66 | // vi1x3012 = ( vi12, vi11, vi10, vi13 ) |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 67 | __m128 vi1x3012 = _mm_setzero_ps(); |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame] | 68 | // vi2x3012 = ( vi22, vi21, vi20, vi13 ) |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 69 | __m128 vi2x3012 = _mm_setzero_ps(); |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame] | 70 | // vi0x4567 = ( vi07, vi06, vi05, vi04 ) |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 71 | __m128 vi0x4567 = _mm_loadu_ps(i0); |
| 72 | i0 = (const float*) ((uintptr_t) i0 + input_tuple_stride); |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame] | 73 | // vi1x4567 = ( vi17, vi16, vi15, vi14 ) |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 74 | __m128 vi1x4567 = _mm_loadu_ps(i1); |
| 75 | i1 = (const float*) ((uintptr_t) i1 + input_tuple_stride); |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame] | 76 | // vi2x4567 = ( vi27, vi26, vi25, vi24 ) |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 77 | __m128 vi2x4567 = _mm_loadu_ps(i2); |
| 78 | i2 = (const float*) ((uintptr_t) i2 + input_tuple_stride); |
| 79 | |
Erich Elsen | eda9c11 | 2020-05-11 04:40:25 -0700 | [diff] [blame] | 80 | size_t k = input_width; |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 81 | for (; k > 4; k -= 4) { |
| 82 | __m128 vo4567p0 = vbias; |
| 83 | |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame] | 84 | // vi0x89AB = ( vi0B, vi0A, vi09, vi08 ) |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 85 | const __m128 vi0x89AB = _mm_loadu_ps(i0); |
| 86 | i0 = (const float*) ((uintptr_t) i0 + input_tuple_stride); |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame] | 87 | // vi1x89AB = ( vi1B, vi0A, vi09, vi08 ) |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 88 | const __m128 vi1x89AB = _mm_loadu_ps(i1); |
| 89 | i1 = (const float*) ((uintptr_t) i1 + input_tuple_stride); |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame] | 90 | // vi2x89AB = ( vi2B, vi0A, vi09, vi08 ) |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 91 | const __m128 vi2x89AB = _mm_loadu_ps(i2); |
| 92 | i2 = (const float*) ((uintptr_t) i2 + input_tuple_stride); |
| 93 | |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame] | 94 | // vi0x7456 = ( vi06, vi05, vi04, vi07 ) |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 95 | const __m128 vi0x7456 = _mm_shuffle_ps(vi0x4567, vi0x4567, _MM_SHUFFLE(2, 1, 0, 3)); |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame] | 96 | // vi1x7456 = ( vi16, vi15, vi14, vi17 ) |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 97 | const __m128 vi1x7456 = _mm_shuffle_ps(vi1x4567, vi1x4567, _MM_SHUFFLE(2, 1, 0, 3)); |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame] | 98 | // vi2x7456 = ( vi26, vi25, vi24, vi27 ) |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 99 | const __m128 vi2x7456 = _mm_shuffle_ps(vi2x4567, vi2x4567, _MM_SHUFFLE(2, 1, 0, 3)); |
| 100 | |
| 101 | vo4567p0 = _mm_add_ps(vo4567p0, _mm_mul_ps(vi0x4567, vk01)); |
| 102 | __m128 vo4567p1 = _mm_mul_ps(vi1x4567, vk11); |
| 103 | __m128 vo4567p2 = _mm_mul_ps(vi2x4567, vk21); |
| 104 | |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame] | 105 | // vi0x3456 = ( vi06, vi05, vi04, vi03 ) |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 106 | const __m128 vi0x3456 = _mm_move_ss(vi0x7456, vi0x3012); |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame] | 107 | // vi1x3456 = ( vi16, vi15, vi14, vi13 ) |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 108 | const __m128 vi1x3456 = _mm_move_ss(vi1x7456, vi1x3012); |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame] | 109 | // vi2x3456 = ( vi26, vi25, vi24, vi23 ) |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 110 | const __m128 vi2x3456 = _mm_move_ss(vi2x7456, vi2x3012); |
| 111 | |
| 112 | vo4567p0 = _mm_add_ps(vo4567p0, _mm_mul_ps(vi0x3456, vk00)); |
| 113 | vo4567p1 = _mm_add_ps(vo4567p1, _mm_mul_ps(vi1x3456, vk10)); |
| 114 | vo4567p2 = _mm_add_ps(vo4567p2, _mm_mul_ps(vi2x3456, vk20)); |
| 115 | |
| 116 | vi0x3012 = vi0x7456; |
| 117 | vi1x3012 = vi1x7456; |
| 118 | vi2x3012 = vi2x7456; |
| 119 | |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame] | 120 | // vi0x8567 = ( vi07, vi06, vi05, vi08 ) |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 121 | const __m128 vi0x8567 = _mm_move_ss(vi0x4567, vi0x89AB); |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame] | 122 | // vi1x8567 = ( vi17, vi16, vi15, vi18 ) |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 123 | const __m128 vi1x8567 = _mm_move_ss(vi1x4567, vi1x89AB); |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame] | 124 | // vi2x8567 = ( vi27, vi26, vi25, vi28 ) |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 125 | const __m128 vi2x8567 = _mm_move_ss(vi2x4567, vi2x89AB); |
| 126 | |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame] | 127 | // vi0x5678 = ( vi08, vi07, vi06, vi05 ) |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 128 | const __m128 vi0x5678 = _mm_shuffle_ps(vi0x8567, vi0x8567, _MM_SHUFFLE(0, 3, 2, 1)); |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame] | 129 | // vi1x5678 = ( vi18, vi17, vi16, vi15 ) |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 130 | const __m128 vi1x5678 = _mm_shuffle_ps(vi1x8567, vi1x8567, _MM_SHUFFLE(0, 3, 2, 1)); |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame] | 131 | // vi2x5678 = ( vi28, vi27, vi26, vi25 ) |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 132 | const __m128 vi2x5678 = _mm_shuffle_ps(vi2x8567, vi2x8567, _MM_SHUFFLE(0, 3, 2, 1)); |
| 133 | |
| 134 | vo4567p0 = _mm_add_ps(vo4567p0, _mm_mul_ps(vi0x5678, vk02)); |
| 135 | vo4567p1 = _mm_add_ps(vo4567p1, _mm_mul_ps(vi1x5678, vk12)); |
| 136 | vo4567p2 = _mm_add_ps(vo4567p2, _mm_mul_ps(vi2x5678, vk22)); |
| 137 | |
| 138 | vi0x4567 = vi0x89AB; |
| 139 | vi1x4567 = vi1x89AB; |
| 140 | vi2x4567 = vi2x89AB; |
| 141 | |
| 142 | __m128 vo = _mm_add_ps(vo4567p0, vo4567p1); |
| 143 | vo = _mm_add_ps(vo, vo4567p2); |
| 144 | |
| 145 | vo = _mm_max_ps(vo, vmin); |
| 146 | vo = _mm_min_ps(vo, vmax); |
| 147 | |
| 148 | _mm_storeu_ps(output, vo); |
| 149 | output = (float*) ((uintptr_t) output + output_tuple_stride); |
| 150 | } |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame] | 151 | // Always process the last block of 1..4 pixels. |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 152 | assert(k >= 1); |
| 153 | assert(k <= 4); |
| 154 | { |
| 155 | __m128 vo4567p0 = vbias; |
| 156 | |
| 157 | vi0x4567 = _mm_and_ps(vmask, vi0x4567); |
| 158 | vi1x4567 = _mm_and_ps(vmask, vi1x4567); |
| 159 | vi2x4567 = _mm_and_ps(vmask, vi2x4567); |
| 160 | |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame] | 161 | // vi0x7456 = ( vi06, vi05, vi04, vi07 ) |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 162 | const __m128 vi0x7456 = _mm_shuffle_ps(vi0x4567, vi0x4567, _MM_SHUFFLE(2, 1, 0, 3)); |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame] | 163 | // vi1x7456 = ( vi16, vi15, vi14, vi17 ) |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 164 | const __m128 vi1x7456 = _mm_shuffle_ps(vi1x4567, vi1x4567, _MM_SHUFFLE(2, 1, 0, 3)); |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame] | 165 | // vi2x7456 = ( vi26, vi25, vi24, vi27 ) |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 166 | const __m128 vi2x7456 = _mm_shuffle_ps(vi2x4567, vi2x4567, _MM_SHUFFLE(2, 1, 0, 3)); |
| 167 | |
| 168 | vo4567p0 = _mm_add_ps(vo4567p0, _mm_mul_ps(vi0x4567, vk01)); |
| 169 | __m128 vo4567p1 = _mm_mul_ps(vi1x4567, vk11); |
| 170 | __m128 vo4567p2 = _mm_mul_ps(vi2x4567, vk21); |
| 171 | |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame] | 172 | // vi0x3456 = ( vi06, vi05, vi04, vi03 ) |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 173 | const __m128 vi0x3456 = _mm_move_ss(vi0x7456, vi0x3012); |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame] | 174 | // vi1x3456 = ( vi16, vi15, vi14, vi13 ) |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 175 | const __m128 vi1x3456 = _mm_move_ss(vi1x7456, vi1x3012); |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame] | 176 | // vi2x3456 = ( vi26, vi25, vi24, vi23 ) |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 177 | const __m128 vi2x3456 = _mm_move_ss(vi2x7456, vi2x3012); |
| 178 | |
| 179 | vo4567p0 = _mm_add_ps(vo4567p0, _mm_mul_ps(vi0x3456, vk00)); |
| 180 | vo4567p1 = _mm_add_ps(vo4567p1, _mm_mul_ps(vi1x3456, vk10)); |
| 181 | vo4567p2 = _mm_add_ps(vo4567p2, _mm_mul_ps(vi2x3456, vk20)); |
| 182 | |
| 183 | const __m128 vzero = _mm_setzero_ps(); |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame] | 184 | // vi0x8567 = ( vi07, vi06, vi05, 0.0 ) |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 185 | const __m128 vi0x8567 = _mm_move_ss(vi0x4567, vzero); |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame] | 186 | // vi1x8567 = ( vi17, vi16, vi15, 0.0 ) |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 187 | const __m128 vi1x8567 = _mm_move_ss(vi1x4567, vzero); |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame] | 188 | // vi2x8567 = ( vi27, vi26, vi25, 0.0 ) |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 189 | const __m128 vi2x8567 = _mm_move_ss(vi2x4567, vzero); |
| 190 | |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame] | 191 | // vi0x5678 = ( vi08, vi07, vi06, vi05 ) |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 192 | const __m128 vi0x5678 = _mm_shuffle_ps(vi0x8567, vi0x8567, _MM_SHUFFLE(0, 3, 2, 1)); |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame] | 193 | // vi1x5678 = ( vi18, vi17, vi16, vi15 ) |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 194 | const __m128 vi1x5678 = _mm_shuffle_ps(vi1x8567, vi1x8567, _MM_SHUFFLE(0, 3, 2, 1)); |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame] | 195 | // vi2x5678 = ( vi28, vi27, vi26, vi25 ) |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 196 | const __m128 vi2x5678 = _mm_shuffle_ps(vi2x8567, vi2x8567, _MM_SHUFFLE(0, 3, 2, 1)); |
| 197 | |
| 198 | vo4567p0 = _mm_add_ps(vo4567p0, _mm_mul_ps(vi0x5678, vk02)); |
| 199 | vo4567p1 = _mm_add_ps(vo4567p1, _mm_mul_ps(vi1x5678, vk12)); |
| 200 | vo4567p2 = _mm_add_ps(vo4567p2, _mm_mul_ps(vi2x5678, vk22)); |
| 201 | |
| 202 | __m128 vo = _mm_add_ps(vo4567p0, vo4567p1); |
| 203 | vo = _mm_add_ps(vo, vo4567p2); |
| 204 | |
| 205 | vo = _mm_max_ps(vo, vmin); |
| 206 | vo = _mm_min_ps(vo, vmax); |
| 207 | |
| 208 | if XNN_LIKELY(k == 4) { |
| 209 | _mm_storeu_ps(output, vo); |
| 210 | } else { |
| 211 | float* output_lo = output; |
| 212 | if (k & 2) { |
| 213 | _mm_storel_pi((__m64*) output_lo, vo); |
| 214 | output_lo += 2; |
| 215 | vo = _mm_movehl_ps(vo, vo); |
| 216 | } |
| 217 | if (k & 1) { |
| 218 | _mm_store_ss(output_lo, vo); |
| 219 | } |
| 220 | } |
| 221 | } |
| 222 | |
Erich Elsen | 4e5db3d | 2020-05-07 08:57:47 -0700 | [diff] [blame] | 223 | i0 = (const float*) ((uintptr_t) i1 - input_width_decrement); |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 224 | i1 = (const float*) ((uintptr_t) i1 + input_width_increment); |
| 225 | i2 = (const float*) ((uintptr_t) i2 + input_width_increment); |
| 226 | output = (float*) ((uintptr_t) output + output_width_increment); |
Erich Elsen | 4e5db3d | 2020-05-07 08:57:47 -0700 | [diff] [blame] | 227 | m -= 1; |
| 228 | if (m == 1) { |
| 229 | i2 = zero; |
| 230 | } |
| 231 | } while (m != 0); |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 232 | } |